/Engine/Plugins/Enterprise/DataprepEditor/Source/DataprepCore/Public/DataprepAsset.h
Insert a copy of the action to the Dataprep asset at the requested index
True if the insertion is successful, false if the action or the index are invalid
bool InsertAction ( const [UDataprepActionAsset](API\Plugins\DataprepCore\UDataprepActionAsset_1) * InAction, int32 Index )